Alhadot is a fighter who appears in Tower Of Lost Souls ascend mode under the floor "Blade Piercing Wall" and he is based on Nightmare. He also appears in Soulcalibur: Broken Destiny where he is based on Dampierre.
Tower Of Lost Souls Details & Skills
TOLS Ascend Mode Floor: Blade Piercing Wall
Weapon: Giant Buster
Skills: Nullify Counter B
Nullify Ringout B